P. O, O. .; ANIEFIOK EZEKIEL, U.; TIMOTHY, J.; A. A, A.; T.G, U.; H. T, O.; NWORAH, . I. B. OPTIMAL CONTROL ANALYSIS OF SHIGELLA EPIDEMIC MODEL. BW Academic Journal, [S. l.], p. 22, 2023. Disponível em: https://www.bwjournal.org/index.php/bsjournal/article/view/1341. Acesso em: 1 may. 2026.